ci: benchmark #6

	name: Benchmark
	on:
	push:
	branches: [main]
	pull_request:
	branches: [main]

	jobs:
	benchmark:
	name: Performance regression check
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4
	- uses: pnpm/action-setup@v4
	with:
	version: 9
	- name: Download previous benchmark data
	uses: actions/cache@v4
	with:
	path: ./cache
	key: benchmark
	- name: Build
	run: \|
	pnpm install
	cd packages/node
	pnpm build
	- name: Benchmark result
	run: \|
	if [ -f ./cache/benchmark-main.json ]; then
	pnpm run bench --outputJson benchmark.json --compare ./cache/benchmark-main.json > output.txt
	else
	pnpm run bench --outputJson benchmark.json > output.txt
	fi
	cat output.txt
	- uses: actions/github-script@v6
	with:
	script: \|
	github.rest.issues.createComment({
	issue_number: context.issue.number,
	owner: context.repo.owner,
	repo: context.repo.repo,
	body: fs.readFileSync('output.txt', 'utf-8')
	})
	- run: echo "branch=${GITHUB_HEAD_REF:-${GITHUB_REF#refs/heads/}}" >> $GITHUB_OUTPUT
	id: branch
	- name: Store benchmark dataq
	if: steps.branch.outputs.branch == 'main'
	run: cp benchmark.json ./cache/benchmark-main.json

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